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Code Issues Releases Activity

avfilter/vf_drawtext: Account for bbox text seperator

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Fixes: out of array access
no test case

Found-by: Joshua Rogers <joshua@joshua.hu> with ZeroPath
Reviewed-by: Joshua Rogers <joshua@joshua.hu>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer
2025-11-01 01:29:32 +01:00
parent 643e2e10f9
commit ad956ff076
1 changed files with 1 additions and 1 deletions
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libavfilter/vf_drawtext.c
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@@ -1011,7 +1011,7 @@ static av_cold int init(AVFilterContext *ctx)
av_log(ctx, AV_LOG_WARNING, "Multiple texts provided, will use text_source only\n");
av_free(s->text);
}
s->text = av_mallocz(AV_DETECTION_BBOX_LABEL_NAME_MAX_SIZE *
s->text = av_mallocz((AV_DETECTION_BBOX_LABEL_NAME_MAX_SIZE + 1) *
(AV_NUM_DETECTION_BBOX_CLASSIFY + 1));
if (!s->text)
return AVERROR(ENOMEM);